renderUsername()

checkLogin()

registerLogout()

//get数据

async function getData() {
    const res = await axios.get("/students")

    //渲染html

    // <tr>
    //                   <td>张杰</td>
    //                   <td>20</td>
    //                   <td>男</td>
    //                   <td>第2组</td>
    //                   <td>10000</td>
    //                   <td>13000</td>
    //                   <td>北京北京市东城区</td>
    //                   <td>
    //                     <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
    //                     <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>
    //                   </td>
    //                 </tr>


    const html = res.data.map(v => {
        const {
            name,
            age,
            gender,
            group,
            hope_salary,
            salary,
            province,
            city,
            area,
            id
        } = v

        return `
            <tr>
                                <td>${name}</td>
                                <td>${age}</td>
                                <td>${gender === 0 ? '男' : '女'}</td>
                                <td>第${group}组</td>
                                <td>${hope_salary}</td>
                                <td>${salary}</td>
                                <td>${province + city + area}</td>
                                <td data-id = '${id}'>
                                  <a href="javascript:;" class="text-success mr-3"><i class="bi bi-pen"></i></a>
                                    <a href="javascript:;" class="text-danger"><i class="bi bi-trash"></i></a>

                                </td>
                            </tr>
        `
    }).join('')

    document.querySelector(".list").innerHTML = html
    document.querySelector(".total").innerHTML = res.data.length
}

getData()

//点击弹框 Modal  show()
//省市区 联动
//新增数据（form形式） 收集 --> 转换 --> 提交

//显示弹窗

const modalDom = document.querySelector("#modal")
const modal = new bootstrap.Modal(modalDom)

document.querySelector("#openModal").addEventListener("click", () => {
    modal.show()
})

//省市区联动

const proSelect = document.querySelector('[name=province]')
const citySelect = document.querySelector('[name=city]')
const areaSelect = document.querySelector('[name=area]')

async function initSelect() {
    const proRes = await axios.get("/api/province")

    const proHtml = proRes.list.map(v => {
        return `<option value="${v}">${v}</option>`
    }).join('')

    proSelect.innerHTML = `<option value="">--请选择--</option>${proHtml}`

    proSelect.addEventListener("change", async () => {
        const cityRes = await axios.get('/api/city', {
            params: {
                province: proSelect.value
            }
        })
        const cityHtml = cityRes.list.map(v => {
            return `<option value="${v}">${v}</option>`
        }).join('')

        citySelect.innerHTML = `<option value="">--请选择--</option>${cityHtml}`
        areaSelect.innerHTML = `<option value="">--地区--</option>`
    })

    citySelect.addEventListener("change", async () => {
        const areaRes = await axios.get('/api/area', {
            params: {
                city: citySelect.value,
                pname: proSelect.value
            }
        })
        const areaHtml = areaRes.list.map(v => {
            return `<option value="${v}">${v}</option>`
        }).join('')

        areaSelect.innerHTML = `<option value="">--请选择--</option>${areaHtml}`
    })
}
initSelect()

//弹窗 确定按钮  点击事件
//新增
document.querySelector("#submit").addEventListener("click", () => {
    
    if(modalDom.dataset.id){
        //编辑学生
        saveEdit()
    }else{
        //新增学生
    addStudent()
    }
})


async function addStudent() {
    //数据收集   转换   提交
    const form = document.querySelector("#form")
    const data = serialize(form, {
        empty: true,
        hash: true
    })

    data.age = +data.age
    data.hope_salary = +data.hope_salary
    data.salary = +data.salary
    data.group = +data.group
    data.gender = +data.gender


    try {
        const res = await axios.post("/students", data)
        showToast(res.message)
    } catch (err) {
        //新增失败
        showToast(err.response.data.message)
    }

    modal.hide()

}



//删除

document.querySelector(".list").addEventListener("click", (e) => {
    if (e.target.classList.contains("bi-trash")) {
        const id = e.target.parentNode.parentNode.dataset.id
        deleteData(id)
    }
    if (e.target.classList.contains("bi-pen")) {
        const id = e.target.parentNode.parentNode.dataset.id
        editStudent(id)
    }
})

async function deleteData(id) {
    const res = await axios.delete(`/students/{id}`)

    showToast(res.message)

    //重新渲染数据
    getData()
}

//编辑

//重置弹窗
document.querySelector("#openModal").addEventListener("click", () => {
    //修改标题
    document.querySelector(".modal-title").innerHTML = "添加学生信息"

    //表单重置
    document.querySelector("#form").reset()

    //省市区重置
    citySelect.innerHTML = `<option value="">--城市--</option>`
    areaSelect.innerHTML = `<option value="">--地区--</option>`

    //删除自定义属性
    modalDom.dataset.id = ""
    modal.show()

})

async function editStudent(id) {
    const res = await axios.get(`/students/${id}`)

    //修改标题
    document.querySelector(".modal-title").innerText = "修改学生信息"
    const keyArr = ["name", "age", "group", "hope_salary", "salary"]

    keyArr.forEach(key => {
        document.querySelector(`[name = ${key}]`).value = res.data[key]
    })

    //设置性别 0 男  1女
    const {
        gender
    } = res.data

    const chks = document.querySelectorAll('[name=gender]')
    chks[gender].checked = true

    //设置籍贯
    const {
        province,
        city,
        area
    } = res.data
    proSelect.value = province

    //设置市
    const cityRes = await axios.get('/api/city', {
        params: {
            pname: province
        }
    })
    const cityHtml = cityRes.list.map(v => {
        return `<option value="${v}">${v}</option>`
    }).join('')
    citySelect.innerHTML = `<option value="">--城市--</option><option value="${city}">${city}</option>${cityHtml}`
    citySelect.value = city

    //设置区
    const areaRes = await axios.get('/api/area', {
        params: {
            pname: province,
            cname: city
        }
    })
    const areaHtml = areaRes.list.map(v => {
        return `<option value="${v}">${v}</option>`
    }).join('')
    areaSelect.innerHTML = `<option value="">--地区--</option><option value="${area}">${area}</option>${areaHtml}`
    areaSelect.value = area

    //弹框
    modal.show()
    //保存学员id 编辑id
    modalDom.dataset.id = id

}


//抽取编辑函数  保存修改

async function saveEdit() {
        //数据收集   转换   提交
        const form = document.querySelector("#form")
        const data = serialize(form, {
            empty: true,
            hash: true
        })

        data.age = +data.age
        data.hope_salary = +data.hope_salary
        data.salary = +data.salary
        data.group = +data.group
        data.gender = +data.gender


        try {
            const res = await axios.put(`/students/${modalDom.dataset.id}`, data)
            showToast(res.message)
            getData()
        } catch (err) {
            //新增失败
            showToast(err.response.data.message)
        }

        modal.hide()

    }
